commit 6819dbb6f86f519130edf22ac3a30fa53b01fa45
author Bob Wilson <bob.wilson@apple.com> Thu Jan 06 19:24:41 2011 +0000
committer Bob Wilson <bob.wilson@apple.com> Thu Jan 06 19:24:41 2011 +0000
tree ec2d6212006427c582ecd7aecc250b0d7426ed66
parent 28f1015e3665cae34fc8337ec8e03ad903d30a33

PR8921: LDM/POP do not support interworking prior to v5t.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122970 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/ARM/ARMLoadStoreOptimizer.cpp

diff --git a/lib/Target/ARM/ARMLoadStoreOptimizer.cpp b/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
index a544029..f2d705f 100644
--- a/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
+++ b/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
@@ -1390,7 +1390,8 @@
        ++MFI) {
     MachineBasicBlock &MBB = *MFI;
     Modified |= LoadStoreMultipleOpti(MBB);
-    Modified |= MergeReturnIntoLDM(MBB);
+    if (TM.getSubtarget<ARMSubtarget>().hasV5TOps())
+      Modified |= MergeReturnIntoLDM(MBB);
   }
 
   delete RS;